Download TCS3 Operators Guide

1201_Operators_Guide.doc
Version: 2014-12-03
60. SafetyBrd_Dec_Emerg_N_Latch - The T3 Safety Board’s North Emergency (or Brake) Limit Latch is
TRUE.
61. SafetyBrd_Dec_Emerg_S_Latch - The T3 Safety Board’s South Emergency (or Brake) Limit is TRUE.
62. SafetyBrd_Horizon_Stop_Latch - The T3 Safety Board’s Horizon Latch is TRUE. The telescope is tipped
over to far. ( Hardware switch turns on when zenith distance is > 75 degrees).
63. SafetyBrd_Watchdog_Tmr_Latch - The T3 Safety Board’s Watchdog Timer Latch is TRUE.
64. SafetyBrd_Clocking_Error_Latch – The T3 Safety Board’s internal clock monitor has indicated a
clocking or timeout error. This is an internal safety board error.
65. SafetyBrd_Dome_Amp_Enable_Therm – This error indicate there is a problem with the Enable Line or
the Thermal Fuse on the Dome amplifiers. Try the Thermal Fuse Reset button on Dome Amplifier, else contact
the Daycrew or IRTF EE.
66. SafetyBrd_Tel_Amp_Enable_Therm – This error indicate there is a problem with the Enable Line or the
Thermal Fuse on the Telescope amplifiers. Stop the telescope, and turn off power. Contact the TCS3 support
engineer.
67. SafetyBrd_Spare1 – A spare input on the safety board has triggered. This shouldn’t happen. Contact the
TCS3 support engineer.
68. SafetyBrd_Spare2 – A spare input on the safety board has triggered. This shouldn’t happen. Contact the
TCS3 support engineer
69. SafetyBrd_Tach_Switch_is_off – An internal switch on the safety board used to enable the tachometer
feedback loop is OFF. The switch need to be turned on when operation the IRTF Summit Servo system. (It is
off, when running in the Hilo test system).
70. PowCntl&Brakes Err(FIOE) – FIOE monitors the HA and Dec Brake _Enable (to control the breaks) and
a _Sense line to confirm the start of the brakes. These signals to not match. Call IRTF superintendent or IRTF
EE. Also check the status on MCC->Details->FIOE.
71. Crane not stowed – The dome crane is not stowed.
72. TOP Tele Enable is OFF – The TO Panel’s Telescope Enable switch is OFF.
73. Mir Cover open & Cooling on – The Mirror Covers are open and the Mirror Cooling is ON.
74. Check T3 P/S (in mcc3 GUI) - The power supplies being monitored by FIOA/B have a > 5% error.
Further investigation is required. Check the MCC GUI to identify the power supply triggering the error.
75. Check Closed Cycle Coolers – The closed cycle cooler warning signal is ON. Coolers may have tripped
off.
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